🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.63

Radius: 1.85

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.46 AU - 0.7 AU

Year: 162 Days

Day: 35.4 Hours

Environment

Temp: 226 °C

Axial Tilt: 20.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 57,570,887 km

• M1: 76,445 km (0.095 R)
• M2: 257,458 km (0.068 R)

Planet 2 - Ice Giant

Semi-Major Axis: 12.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 118.8

Radius: 7.5

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 9.86 AU - 15.82 AU

Year: 16890 Days

Day: 24.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 57,570,887 km

• M1: 132,245 km (0.058 R)
• M2: 463,903 km (0.092 R)
• M3: 1,083,986 km (0.1 R)
• M4: 1,355,806 km (0.085 R)
• M5: 3,079,023 km (0.048 R)
• M6: 3,871,144 km (0.045 R)
• M7: 4,905,913 km (0.115 R)
• M8: 5,410,656 km (0.106 R)
• M9: 6,419,394 km (0.101 R)
• M10: 9,684,966 km (0.085 R)
• M11: 10,916,157 km (0.117 R)
• M12: 11,264,720 km (0.043 R)
• M13: 14,925,978 km (0.109 R)
• M14: 15,983,485 km (0.088 R)
• M15: 19,674,214 km (0.119 R)
• M16: 25,340,832 km (0.072 R)
• M17: 30,023,545 km (0.086 R)

Planet 3 - Ice Giant

Semi-Major Axis: 17.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 159.1

Radius: 6.5

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 15.66 AU - 19.72 AU

Year: 27313 Days

Day: 17.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 57,570,887 km

• M1: 80,932 km (0.072 R)
• M2: 410,497 km (0.074 R)
• M3: 644,318 km (0.082 R)
• M4: 865,723 km (0.114 R)
• M5: 1,091,316 km (0.119 R)
• M6: 1,929,513 km (0.102 R)
• M7: 2,763,073 km (0.103 R)
• M8: 3,064,363 km (0.103 R)
• M9: 3,285,468 km (0.048 R)
• M10: 3,843,618 km (0.065 R)
• M11: 5,861,095 km (0.117 R)
• M12: 9,438,578 km (0.098 R)
• M13: 11,124,696 km (0.071 R)
• M14: 12,498,752 km (0.108 R)
• M15: 14,319,508 km (0.075 R)
• M16: 17,371,754 km (0.071 R)
• M17: 18,721,575 km (0.109 R)
• M18: 18,966,766 km (0.07 R)
• M19: 20,225,483 km (0.106 R)
• M20: 28,425,690 km (0.104 R)
• M21: 33,191,130 km (0.096 R)
• M22: 34,399,432 km (0.081 R)
• M23: 36,775,495 km (0.082 R)
• M24: 40,746,271 km (0.094 R)
• M25: 46,323,429 km (0.118 R)
• M26: 47,073,214 km (0.117 R)
• M27: 47,526,944 km (0.098 R)
• M28: 49,527,217 km (0.035 R)
• M29: 50,153,733 km (0.106 R)
• M30: 51,103,530 km (0.096 R)
• M31: 54,688,494 km (0.042 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 210 - 13,134 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit